Fuel Pressure Check - Suzuki SX4 Service Manual

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1A-202 Engine General Information and Diagnosis:

Fuel Pressure Check

System Diagram
Special tool
(A): 09912–58442
(B): 09912–58432
(C): 09912–58490
1. Injector
Troubleshooting
NOTE
Before using following flow, check to make sure that battery voltage is higher than 11 V. If battery
voltage is low, pressure becomes lower than specification even if fuel pump and line are in good
condition.
Step
1
Fuel pressure check
1) Check fuel pressure referring to "Fuel Pressure
Inspection in Section 1G".
Is check result satisfactory?
2
Fuel pressure check
1) Start engine and warm it up to normal operating
temperature.
2) Keep engine speed at 4000 rpm.
Does fuel pressure show about the same value as Step 1?
3
Fuel line check
1) Check fuel pipe, fuel hose and joint for fuel leakage.
Are they in good condition?
2. Delivery pipe
Action
3. Fuel filter and fuel pump
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
S7RW0A1104080
I3RM0A110081-01
No
Go to Step 5.
Go to Step 8.
Repair or replace
defective part.

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